Home / 190,220,872.66-262,504,842.34-115,881,429.32

Finding the Fourth Proportional to 190,220,872.66, 262,504,842.34 and 115,881,429.32

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Solution

The fourth proportional to 190,220,872.66, 262,504,842.34 and 115,881,429.32 is: 159,916,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,220,872.66 : 262,504,842.34 = 115,881,429.32 : x
  2. Step 2: Convert to fraction form
    190,220,872.66/262,504,842.34 = 115,881,429.32/x
  3. Step 3: Cross multiply
    190,220,872.66x = 262,504,842.34 × 115,881,429.32
  4. Step 4: Simplify right side
    190,220,872.66x = 30,419,436,333,780,452
  5. Step 5: Solve for x
    x = 30,419,436,333,780,452/190,220,872.66
  6. Step 6: Final answer
    x = 159,916,395.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.